ERR_NGROK_379: The sendgrid verification key is not a base64 encoded ecdsa public key

What does ERR_NGROK_379 mean?

ngrok returns ERR_NGROK_379 with this message:

The sendgrid verification key is not a base64 encoded ecdsa public key. The following error was encountered while trying to parse it: "<ERROR>"

Troubleshoot ERR_NGROK_379 with your AI agent. Connect it to the ngrok MCP server, then ask what caused the error and how to fix it.

Email support@ngrok.com and include the error code.